Home / 1,223,995,661.66-1,836,353,709.86-394,933,751.34

Finding the Fourth Proportional to 1,223,995,661.66, 1,836,353,709.86 and 394,933,751.34

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Solution

The fourth proportional to 1,223,995,661.66, 1,836,353,709.86 and 394,933,751.34 is: 592,516,854.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,995,661.66 : 1,836,353,709.86 = 394,933,751.34 : x
  2. Step 2: Convert to fraction form
    1,223,995,661.66/1,836,353,709.86 = 394,933,751.34/x
  3. Step 3: Cross multiply
    1,223,995,661.66x = 1,836,353,709.86 × 394,933,751.34
  4. Step 4: Simplify right side
    1,223,995,661.66x = 725,238,059,420,161,024
  5. Step 5: Solve for x
    x = 725,238,059,420,161,024/1,223,995,661.66
  6. Step 6: Final answer
    x = 592,516,854.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.